Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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客运方面,自 2 月 15 日(腊月二十八)至 2 月 23 日(正月初七),探亲流、务工流与旅游流叠加,全国铁路日均发送旅客 1341 万人次。

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В Финляндии предупредили об опасном шаге ЕС против России09:28,详情可参考WPS下载最新地址

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